Shape- and morphology-controlled sustainable synthesis of Cu, Co, and in metal organic frameworks with high CO2 capture capacity
KAUST DepartmentKAUST Catalysis Center (KCC)
Computational Bioscience Research Center (CBRC)
Physical Sciences and Engineering (PSE) Division
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AbstractWe studied the effects of various surfactants on the shape and morphology of three metal organic frameworks (MOFs), i.e., Co-MOF, Cu-MOF, and In-MOF, which were synthesized under microwave irradiation. The as-synthesized materials were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), thermogravimetric analysis (TGA), and nitrogen sorption. The effects of microwave irradiation time, temperature, and surfactant template were investigated. The synthetic parameters, including the type of surfactant template and the reaction temperature, played crucial roles in the size, shape, and morphology of the MOF microcrystals. We also evaluated these MOFs as sorbents for capturing CO2. Of the synthesized materials, Cu-MOF demonstrated the highest CO2 capture capacity, even at atmospheric pressure and ambient temperature. © 2012 American Chemical Society.
SponsorsWe thank King Abdullah University of Science and Technology (KAUST) for their funding and support. We also thank Prof. Mohamed Eddaoudi for his lecture on MOFs, which inspired us to engage in this work.
PublisherAmerican Chemical Society (ACS)